Illustrative Math Triangle Lesson

Triangles

Angle & Side Classifications

Naming Triangles

Calculating Missing Angles

Multiple Choice

Classify the triangle by its Angle Types

• Acute

• Right

• Obtuse

Multiple Choice

Classify the triangle by its Angle Types

• Acute

• Right

• Obtuse

Multiple Choice

Classify the triangle by its Angle Types

• Acute

• Right

• Obtuse

Multiple Choice

Classify the triangle by its Angle Types

• Acute

• Right

• Obtuse

Multiple Choice

Classify the triangle by its Angle Types

• Acute

• Right

• Obtuse

Multiple Choice

Classify the triangle by its Angle Types

• Acute

• Right

• Obtuse

Multiple Choice

Classify the triangle by its Angle Types

• Acute

• Right

• Obtuse

Multiple Choice

Classify the triangle by its side lengths

• Equilateral

• Isosceles

• Scalene

Multiple Choice

Classify the triangle by its side lengths

• Equilateral

• Isosceles

• Scalene

Multiple Choice

Classify the triangle by its side lengths

• Equilateral

• Isosceles

• Scalene

Multiple Choice

Classify the triangle by its side lengths

• Equilateral

• Isosceles

• Scalene

Multiple Choice

Classify the triangle by its side lengths

• Equilateral

• Isosceles

• Scalene

Multiple Choice

Classify the triangle by its side lengths

• Equilateral

• Isosceles

• Scalene

Multiple Choice

Classify the triangle by its side lengths

• Equilateral

• Isosceles

• Scalene

Fill in the Blanks

Name the Triangle

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Find the missing Angle for the Triangle

^o

Fill in the Blanks

Find the missing Angle for the Triangle

^o

Fill in the Blanks

Find the missing Angle for the Triangle

^o

Fill in the Blanks

Find the missing Angle for the Triangle

^o

Fill in the Blanks

Find the missing Angle for the Triangle

^o

Fill in the Blanks

Find the missing Angle for the Triangle

^o

Fill in the Blanks

Name the Triangle based on its angle measurements

90^o, 45^o, 45^o

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle based on its angle measurements

110^o, 30^o, 40^o

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle based on its angle measurements

80^o, 60^o, 40^o

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle based on its angle measurements

60^o, 120^o, 20^o

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle based on its angle measurements

75^o, 90^o, 15^o

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene

Fill in the Blanks

Name the Triangle based on its angle measurements

50^o, 80^o, 50^o

Acute, Right, Obtuse

Equilateral, Isosceles, Scalene